UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RsaMRDp7YVe7gGW4tmBqG/eTlBZ3ITx61SVRK+WkMmc=' 
WHERE 
  key_id = '545c2d18f0d2ead1b52d97f7a4e44f0551c972a4d73ff27053e575921c2276cf' 
  AND (
    token = 'RsaMRDp7YVe7gGW4tmBqG/eTlBZ3ITx61SVRK+WkMmc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )